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1, Writing examples    1. Server     pom.xml <properties> <java.version>1.8</java.version> <spring-cloud.version>Finchley.SR2</spring-cloud.version> </properties> <dependencies> <dependency> <groupId>org.springframework.boot</g ...

Implementation environment: server1 server2 server3 1. Load balancing with haproxy [root@server1 ~]# yum install haproxy -y install software [root@server2 ~]# Systemctl start httpd start apache on server2 [root@server3 ~]# Systemctl start httpd start apache on Server3 [root@server1 ~]# cd /etc/haproxy/ [root@server1 haproxy]# ls haproxy.cfg [ ...

2021SC@SDUSC 1, Overview In the distributed system, load balancing is a very important function. In HBase, Region is a data Region segmented by the table according to the row direction, which is managed by the RegionServer and provides data reading and writing services to the outside. If there are too many regions on a RegionServer, the co ...

catalogue 1, LVS-DR 1. Characteristics of lvs-dr mode 2. ARP problem in LVS-DR 3. Deploy LVS-DR load balancing cluster Architecture Overview Installation environment Formal deployment   Configure NFS shared storage   Configure WEB node server  WEB2 2, Kept 1. General Why keep alive What is kept alive   Important ...

introduction In this highly information-based IT era, the production system, business operation, sales and support, daily management and other links of enterprises increasingly rely on computer information and services, resulting in a large increase in the demand for the application of high availability technology, so as to provide conti ...

introduction Generally, a Tomcat site can not be used in the production environment alone because it may have a single point of failure and can not cope with the complex and diverse requests of too many customers. Therefore, a more reliable solution is needed to improve the Web site architecture. 1, Case overview Nginx is a very exc ...

1, Planning 1. Server OSapplicationHostnameremarksCentOS 7.4(192.168.139.162)HA + Keepalivedha_1Cluster high availability (master)CentOS 7.4(192.168.139.160)HA + Keepalivedha_2Cluster high availability (backup)CentOS 7.4(192.168.139.158)Erlang 23.2.5,RabbitMQ 3.9.7mq_1mq_1 disk nodeCentOS 7.4(192.168.139.137)Erlang 23.2.5,RabbitMQ 3.9.7mq ...

Interpretation of Keepalived High Availability Mechanism For the Keepalived installation, please refer to the previous article: High availability haproxy + kept installation and deployment configuration preface: In the previous article, I introduced how to install the keepalived+HAProxy service. This article mainly interprets the high avai ...

The previous article introduced the configuration of F5 virtual machine environment. Refer to“ F5 load balancing configuration of database Series ”, here we continue to introduce MySQL configuration F5 load balancing. 2. F5 configure load balancing The F5 virtual machine is configured with three network cards. The information is a ...

Author: Lu Lu Those who love technology and are willing to share are mainly engaged in the research of database related technology. Source: original contribution *Aikesheng is produced by the open source community. The original content cannot be used without authorization. Please contact the editor for reprint and indicate the source. Summ ...